Measuring the branching ratios from the y8P9/2 state to metastable states in europium

Measuring the branching ratios from the y8P9/2 state to metastable states in europium
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测量铕中从 y8P9/2 态到亚稳态的支化比

DOI:
10.1016/j.optcom.2017.01.059
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发表时间:
2017
影响因子:
2.4
通讯作者:
Mikio Kozuma
Mikio Kozuma
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Yuki Miyazawa;Ryotaro Inoue;Keiji Nishida;Toshiyuki Hosoya;Mikio Kozuma

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用原子束荧光光谱法测量了铕的γ 8 P9/2激发态到六个亚稳态的分支比。六个分支比之和估计为1.05(2)× 10− 3。这项研究为我们提供了有见地的信息,以确定使用a 8 S 7/2− y 8 P 9/2跃迁的可行性,以实现基态铕原子的塞曼慢化。基于这个结果,我们还提出了一个塞曼慢化和磁光俘获的方案,使用一个特定的亚稳态,其中有一个循环跃迁。
We measure the branching ratios from the y 8 P 9/2 excited state to six metastable states of europium through fluorescence spectroscopy of an atomic beam. The sum of the six branching ratios is estimated to be 1.05 (2)× 10− 3. This research provides us with insightful information to determine the feasibility of using the a 8 S 7/2− y 8 P 9/2 transition in order to implement the Zeeman slowing for europium atoms in the ground state. Based on this result, we also propose a scheme for Zeeman slowing and magneto-optical trapping, using a specific metastable state which has a cyclic transition.
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